The Construction and road testing laboratory at INGSTROYENGINEERING EOOD has been accredited by the Executive Agency of the Bulgarian Accreditation Office in accordance with BSS EN ISO /IEC   17025:2018, № 109LI /28.02.2022 -  28.02.2026 

Accreditation scope:
To perform testing of: Asphalt mixtures, additional/rock materials for: concrete, road construction, railroads, hydro-engineering construction, petroleum bitumen for road construction, sand for concrete and road pavement, concrete mixtures, hardened concrete, construction soil, road structures.
To take samples from: Asphalt mixtures, additional/rock materials for: concrete, road construction, railroads, hydro-engineering construction, petroleum bitumen for road construction, sand for concrete and road pavement, concrete mixtures, hardened concrete, construction soil, road structures, asphalt cuttings.
The laboratory employs highly qualified staff and has own transport and equipment meeting the requirements of the latest BSS EN standards.